Accurate measurements for every electrical task – The DT830B Digital Multimeter is a compact and versatile 3.5-digit multimeter designed for electrical testing and troubleshooting. With its portable design and easy-to-read LCD display, this multimeter is perfect for both professionals and DIY enthusiasts working on electronics, automotive, or home electrical projects.Measure DC voltage, AC voltage, DC current, resistance, diode voltage drop, and transistor hFE with confidence. The multimeter features automatic polarity indication and an overrange display to protect against measurement errors. Comes with a pre-installed 9V battery, so it is ready to use right out of the box.Ideal for: Electronics repair, automotive diagnostics, home electrical maintenance, hobbyist projects, STEM education, and electrical troubleshooting.Specifications Parameter Value Display Type 3.5-digit LCD, maximum display 1999 Polarity Indication Automatic Overrange Display Shows "1" for maximum value Operating Temperature 0°C to +40°C Storage Temperature -15°C to +50°C Relative Humidity